Battery-powered speaker for handheld devices



FIG. 1 is a top, front and right side isometric view of a battery-powered speaker for handheld devices, embodying our new design;

FIG. 2 is a top, front and left side isometric view thereof;

FIG. 3 is a bottom, front and left side isometric view thereof;

FIG. 4 is a bottom, front and right side isometric view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a left side elevation view thereof;

FIG. 9 is a bottom plan view thereof; and,

FIG. 10 is a right side elevation view thereof. 

CLAIM The ornamental design for a battery-powered speaker for handheld devices, as shown and described. 